# pylint: disable=g-bad-file-header
# Copyright 2019 DeepMind Technologies Limited. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or  implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ============================================================================
"""An abstract base class for loggers."""

# Import all packages

import abc
import six
from typing import Any, Mapping, Text


@six.add_metaclass(abc.ABCMeta)
class Logger(object):
  """A logger has a `write` method."""

  @abc.abstractmethod
  def write(self, data: Mapping[Text, Any]):
    """Writes `data` to destination (file, terminal, database, etc)."""
